OFFICIAL USE ONLY 18. "Modification of Acute Intestinal Radiation Syndrome Through Shielding,” Swift, M. N. and Taketa, S.T., American Journal of Physiology, April 1956 Vol. 185, No. 1, p. 85-91. 19. "Lethal Effects of Intragastric Irradiation in the Dog.” Littman,A., Fox, B. W., Schoolman, H. M., and Ivy, A. C., American Journal of Physiology, hit 1953, pe 347-351. 20. "Radioiodine in the Study and Treatment of Thyroid Disease: A Review." Kelsey, M. P., Haines, S. F., Keating, F. R., The Journal of Clinical Endocrinology, Vol. 9, No. 2 February 1949, p. 171-210. 21. Radioisotopes in Medicine, Andrews, G. A., Brucer, M. and Anderson, E. (Editors) » September 1953. Superintendent of Documents, U. S. Government Printing Office, Washington 25, D. C. Re. Chapter 18-27. "A Critical Analysis of the Quantitative I-131 Therapy of Thyrotoxicosis." Freeberg, A. S.yKurland, G. &., Chamovitz, D. L., Ureles, A. L. Journal of Clinical Endocrinology, Vol. 12 1952, p. 86-111. 23. "Functional and Histologic Effects of Therapeutic Doses of Radioactive Iodine on Thyroid of Man.” and Chapman, E. Dobyns, B. M., Vickery, A. L., Maloot, F., The Journal of Clinical Endocrinology and Metabolism. Vol. 13 No. 5, May 1953,p.- 564. eh. "Biological Hazards and Toxicity of Radioactive Isotopes", Brues, A. M., The Journal of Clinical Investigation. Nov. 1949, Vol. XXVIII, No. 6, p. 1286-1296. 25. "The Pathologic Effects of I-131 on the Normal Thyroid of Man." Freedberg, A. 5., Kurland, G. &. and Blumgart, H. L., The Journal of Clinical Endocrinology and Metabolism, Vol. 12, .1952, p. 1315-1348. OFFICIAL USE ONLY '

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